A tall skinny invisible widget providing left-right sliding column separator adjustment for a two-column QTreeView via mouse drags. Shows splitter cursor when mouse hovers over it. Uses event filtering to catch resize events for the parent. More...
#include <splitter_handle.h>
Public Member Functions | |
bool | eventFilter (QObject *event_target, QEvent *event) |
Catch resize events sent to parent to update splitter's geometry. Always returns false. | |
QColor | getColor () const |
float | getRatio () |
Get the ratio of the parent's left column to the parent widget width. | |
void | setColor (QColor color) |
void | setRatio (float ratio) |
Set the ratio of the parent's left column to the parent widget width. | |
SplitterHandle (QTreeView *parent=0) | |
Protected Member Functions | |
virtual void | mouseMoveEvent (QMouseEvent *event) |
virtual void | mousePressEvent (QMouseEvent *event) |
virtual void | paintEvent (QPaintEvent *event) |
Private Member Functions | |
void | updateGeometry () |
Update the parent's column widths and this splitter's geometry based on first_column_size_ratio_. | |
Private Attributes | |
QColor | color_ |
float | first_column_size_ratio_ |
QTreeView * | parent_ |
int | x_press_offset_ |
A tall skinny invisible widget providing left-right sliding column separator adjustment for a two-column QTreeView via mouse drags. Shows splitter cursor when mouse hovers over it. Uses event filtering to catch resize events for the parent.
Definition at line 43 of file splitter_handle.h.
rviz::SplitterHandle::SplitterHandle | ( | QTreeView * | parent = 0 | ) |
Definition at line 41 of file splitter_handle.cpp.
bool rviz::SplitterHandle::eventFilter | ( | QObject * | event_target, |
QEvent * | event | ||
) |
Catch resize events sent to parent to update splitter's geometry. Always returns false.
Definition at line 53 of file splitter_handle.cpp.
QColor rviz::SplitterHandle::getColor | ( | ) | const [inline] |
Definition at line 60 of file splitter_handle.h.
float rviz::SplitterHandle::getRatio | ( | ) |
Get the ratio of the parent's left column to the parent widget width.
Definition at line 77 of file splitter_handle.cpp.
void rviz::SplitterHandle::mouseMoveEvent | ( | QMouseEvent * | event | ) | [protected, virtual] |
Definition at line 90 of file splitter_handle.cpp.
void rviz::SplitterHandle::mousePressEvent | ( | QMouseEvent * | event | ) | [protected, virtual] |
Definition at line 82 of file splitter_handle.cpp.
void rviz::SplitterHandle::paintEvent | ( | QPaintEvent * | event | ) | [protected, virtual] |
Definition at line 119 of file splitter_handle.cpp.
void rviz::SplitterHandle::setColor | ( | QColor | color | ) | [inline] |
Definition at line 59 of file splitter_handle.h.
void rviz::SplitterHandle::setRatio | ( | float | ratio | ) |
Set the ratio of the parent's left column to the parent widget width.
Definition at line 71 of file splitter_handle.cpp.
void rviz::SplitterHandle::updateGeometry | ( | ) | [private] |
Update the parent's column widths and this splitter's geometry based on first_column_size_ratio_.
Definition at line 62 of file splitter_handle.cpp.
QColor rviz::SplitterHandle::color_ [private] |
Definition at line 78 of file splitter_handle.h.
float rviz::SplitterHandle::first_column_size_ratio_ [private] |
The ratio of the first column width to the entire widget width. Preserved during parent widget resize.
Definition at line 77 of file splitter_handle.h.
QTreeView* rviz::SplitterHandle::parent_ [private] |
Definition at line 72 of file splitter_handle.h.
int rviz::SplitterHandle::x_press_offset_ [private] |
Definition at line 73 of file splitter_handle.h.